/[svn]/linuxsampler/trunk/configure.in
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revision 291 by schoenebeck, Fri Oct 22 22:46:38 2004 UTC revision 1175 by schoenebeck, Sun May 6 16:38:35 2007 UTC
# Line 1  Line 1 
1  AC_INIT(configure.in)  AC_INIT(configure.in)
2    
3    #------------------------------------------------------------------------------------
4    # LinuxSampler's / liblinuxsampler's "official" release version:
5    
6    LINUXSAMPLER_RELEASE_MAJOR=0
7    LINUXSAMPLER_RELEASE_MINOR=4
8    LINUXSAMPLER_RELEASE_BUILD=0.4cvs
9    
10    #------------------------------------------------------------------------------------
11    # The following is the libtool / shared library version. This doesn't have to
12    # do anything with the release version. It MUST conform to the following rules:
13    #
14    #  1. Start with version information of `0:0:0' for each libtool library.
15    #  2. Update the version information only immediately before a public release of
16    #     your software. More frequent updates are unnecessary, and only guarantee
17    #     that the current interface number gets larger faster.
18    #  3. If the library source code has changed at all since the last update, then
19    #     increment revision (`c:r:a' becomes `c:r+1:a').
20    #  4. If any interfaces have been added, removed, or changed since the last update,
21    #     increment current, and set revision to 0.
22    #  5. If any interfaces have been added since the last public release, then increment
23    #     age.
24    #  6. If any interfaces have been removed since the last public release, then set age
25    #     to 0.
26    
27    LIBLINUXSAMPLER_LT_CURRENT=0
28    LIBLINUXSAMPLER_LT_REVISION=0
29    LIBLINUXSAMPLER_LT_AGE=0
30    SHARED_VERSION_INFO="$LIBLINUXSAMPLER_LT_CURRENT:$LIBLINUXSAMPLER_LT_REVISION:$LIBLINUXSAMPLER_LT_AGE"
31    
32    #------------------------------------------------------------------------------------
33    # the LSCP specification version this LinuSampler release complies with:
34    
35    LSCP_RELEASE_MAJOR=1
36    LSCP_RELEASE_MINOR=2
37    
38    AC_DEFINE_UNQUOTED(LSCP_RELEASE_MAJOR, ${LSCP_RELEASE_MAJOR}, [LSCP spec major version this release complies with.])
39    AC_DEFINE_UNQUOTED(LSCP_RELEASE_MINOR, ${LSCP_RELEASE_MINOR}, [LSCP spec minor version this release complies with.])
40    
41    AM_PROG_LIBTOOL
42    
43    AC_SUBST(SHLIB_VERSION_ARG)
44    AC_SUBST(SHARED_VERSION_INFO)
45    
46  AC_C_BIGENDIAN  AC_C_BIGENDIAN
47  AC_CANONICAL_SYSTEM  AC_CANONICAL_SYSTEM
48    
# Line 9  AC_SUBST(target_os) Line 53  AC_SUBST(target_os)
53  AC_SUBST(target_vendor)  AC_SUBST(target_vendor)
54    
55    
56    ###########################################################################
57    # General Checks
58    
59  echo -n "checking whether x86 architecture... "  AC_MSG_CHECKING([whether x86 architecture])
60  def_arch_x86=0  def_arch_x86=0
61  case $target_cpu in  case $target_cpu in
62    "i386" | "i486" | "i586" | "i686" | "i786")    "i386" | "i486" | "i586" | "i686" | "i786")
# Line 21  case $target_cpu in Line 67  case $target_cpu in
67  esac  esac
68  AC_DEFINE_UNQUOTED(ARCH_X86,$def_arch_x86,[Define to 1 if you build for x86 architecture.])  AC_DEFINE_UNQUOTED(ARCH_X86,$def_arch_x86,[Define to 1 if you build for x86 architecture.])
69    
70    # determine the right gcc switch for CPU specific optimizations
71    # (only if the user did not provide one)
72    CXX_CPU_SWITCH=
73    if ! echo "X $CXXFLAGS " | grep -q -- " \(-march=\|-mcpu=\|-mtune=\|-arch=\)" ; then
74      if test "$def_arch_x86" = 1; then
75        CXX_CPU_SWITCH="-march=$target_cpu"
76      elif test "$target_cpu" = "ppc"; then
77        CXX_CPU_SWITCH="-arch=$target_cpu"
78      fi
79    fi
80    AC_SUBST([CXX_CPU_SWITCH])
81    
82  AC_MSG_CHECKING([whether UNIX98 compatible])  AC_MSG_CHECKING([whether UNIX98 compatible])
83  AC_LANG_SAVE  AC_LANG_SAVE
# Line 54  if test "$have_unix98" = "no"; then Line 111  if test "$have_unix98" = "no"; then
111      fi      fi
112  fi  fi
113    
114    # check for <features.h>
115    AC_CHECK_HEADERS(features.h)
116    
117    
118    ###########################################################################
119  # Checks for available audio and MIDI systems / drivers  # Checks for available audio and MIDI systems / drivers
120  # (we throw an error if there's not at least one system for audio output and MIDI input available)  # (we throw an error if there's not at least one system for audio output and MIDI input available)
121    
122  have_midi_input_driver="false"  have_midi_input_driver="false"
123  have_audio_output_driver="false"  have_audio_output_driver="false"
124    
125  AC_CHECK_HEADER(alsa/asoundlib.h,  # ALSA
126      AC_CHECK_LIB(asound, main,  AC_ARG_ENABLE(alsa-driver,
127                               have_alsa=1    [  --disable-alsa-driver
128                               ,                            Disable support for the Advanced Linux Sound
129                               have_alsa=0                            Architecture (ALSA).],
130                  )    [config_alsa_driver="no"],
131                  ,    [config_alsa_driver="yes"]
132                  have_alsa=0  )
133  )  have_alsa=0
134  if test "$have_alsa" = "1"; then  if test "$config_alsa_driver" = "yes"; then
135      have_midi_input_driver="true"      AC_CHECK_HEADER(alsa/asoundlib.h,
136      have_audio_output_driver="true";          AC_CHECK_LIB(asound, main,
137                                     have_alsa=1
138                                     ,
139                                     have_alsa=0
140                        )
141                        ,
142                        have_alsa=0
143        )
144        if test "$have_alsa" = "1"; then
145            have_midi_input_driver="true"
146            have_audio_output_driver="true";
147        fi
148    
149        echo -n "checking Alsa version... "
150        AC_LANG_SAVE
151        AC_LANG_C
152        AC_TRY_RUN([
153            #include <alsa/asoundlib.h>
154            void main(void) {
155                /* ensure backward compatibility */
156                #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
157                #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
158                #endif
159                exit(SND_LIB_MAJOR);
160            }
161        ],
162        alsa_major=0,
163        alsa_major=$?,
164        alsa_major=0
165        )
166        AC_TRY_RUN([
167            #include <alsa/asoundlib.h>
168            void main(void) {
169                /* ensure backward compatibility */
170                #if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
171                #define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
172                #endif
173                exit(SND_LIB_MINOR);
174            }
175        ],
176        alsa_minor=0,
177        alsa_minor=$?,
178        alsa_minor=0
179        )
180        AC_TRY_RUN([
181            #include <alsa/asoundlib.h>
182            void main(void) {
183                /* ensure backward compatibility */
184                #if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
185                #define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
186                #endif
187                exit(SND_LIB_SUBMINOR);
188            }
189        ],
190        alsa_subminor=0,
191        alsa_subminor=$?,
192        alsa_subminor=0
193        )
194        AC_LANG_RESTORE
195        echo "$alsa_major.$alsa_minor.$alsa_subminor";
196        AC_DEFINE_UNQUOTED(ALSA_MAJOR,$alsa_major,[Define to the major version number of your Alsa installation.])
197        AC_DEFINE_UNQUOTED(ALSA_MINOR,$alsa_minor,[Define to the minor version number of your Alsa installation.])
198        AC_DEFINE_UNQUOTED(ALSA_SUBMINOR,$alsa_subminor,[Define to the subminor version number of your Alsa installation.])
199    else
200        echo "ALSA support disabled by configure script parameter"
201  fi  fi
202  AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")  AM_CONDITIONAL(HAVE_ALSA, test $have_alsa = "1")
203  AC_DEFINE_UNQUOTED(HAVE_ALSA,$have_alsa,[Define to 1 if you have ALSA installed.])  AC_DEFINE_UNQUOTED(HAVE_ALSA,$have_alsa,[Define to 1 if you have ALSA installed.])
204    
205    # JACK
206  echo -n "checking Alsa version... "  AC_ARG_ENABLE(jack-driver,
207  AC_LANG_SAVE    [  --disable-jack-driver
208  AC_LANG_C                            Disable support for the Jack Audio Connection Kit
209  AC_TRY_RUN([                            (JACK).],
210  #include <alsa/asoundlib.h>    [config_jack_driver="no"],
211  void main(void) {    [config_jack_driver="yes"]
 /* ensure backward compatibility */  
 #if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)  
 #define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR  
 #endif  
 exit(SND_LIB_MAJOR);  
 }  
 ],  
 alsa_major=0,  
 alsa_major=$?,  
 alsa_major=0  
212  )  )
213  AC_TRY_RUN([  have_jack=0
214  #include <alsa/asoundlib.h>  if test "$config_jack_driver" = "yes"; then
215  void main(void) {      PKG_CHECK_MODULES(JACK, jack, have_jack=1, have_jack=0)
216  /* ensure backward compatibility */      if test $have_jack = "1"; then
217  #if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)          AC_SUBST(JACK_LIBS)
218  #define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR          AC_SUBST(JACK_CFLAGS)
219  #endif          AC_CHECK_LIB(jack, jack_client_name_size, [AC_DEFINE(HAVE_JACK_CLIENT_NAME_SIZE, 1, [Define to 1 if you have the `jack_client_name_size' function.])], , $JACK_LIBS)
220  exit(SND_LIB_MINOR);          have_audio_output_driver="true";
221  }      fi
222  ],  else
223  alsa_minor=0,      echo "JACK support disabled by configure script parameter"
224  alsa_minor=$?,  fi
225  alsa_minor=0  AM_CONDITIONAL(HAVE_JACK, test $have_jack = "1")
226    AC_DEFINE_UNQUOTED(HAVE_JACK,$have_jack,[Define to 1 if you have JACK installed.])
227    
228    # ARTS
229    AC_ARG_ENABLE(arts-driver,
230      [  --disable-arts-driver
231                              Disable support for the Analogue Realtime System
232                              (aRts).],
233      [config_arts_driver="no"],
234      [config_arts_driver="yes"]
235  )  )
236  AC_TRY_RUN([  have_arts=0
237  #include <alsa/asoundlib.h>  if test "$config_arts_driver" = "yes"; then
238  void main(void) {      m4_ifdef([m4_include(m4/arts.m4)],,
239  /* ensure backward compatibility */               [sinclude([m4/arts.m4])])
240  #if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)      AM_PATH_ARTS(0.9.5, have_arts=1, have_arts=0)
241  #define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR      if test "$have_arts" = "1"; then
242  #endif          have_audio_output_driver="true"
243  exit(SND_LIB_SUBMINOR);      fi
244  }  else
245  ],      echo "ARTS support disabled by configure script parameter"
246  alsa_subminor=0,  fi
247  alsa_subminor=$?,  AM_CONDITIONAL(HAVE_ARTS, test "$have_arts" = "1")
248  alsa_subminor=0  AC_DEFINE_UNQUOTED(HAVE_ARTS,$have_arts,[Define to 1 if you have aRts installed.])
249    
250    # MidiShare (Linux, OS X, Windows)
251    AC_ARG_ENABLE(midishare-driver,
252      [  --disable-midishare-driver
253                              Disable support for the MidiShare system.],
254      [config_midishare_driver="no"],
255      [config_midishare_driver="yes"]
256  )  )
257  AC_LANG_RESTORE  have_midishare=0
258  echo "$alsa_major.$alsa_minor.$alsa_subminor";  if test "$config_midishare_driver" = "yes"; then
259  AC_DEFINE_UNQUOTED(ALSA_MAJOR,$alsa_major,[Define to the major version number of your Alsa installation.])      AC_CHECK_HEADER(MidiShare.h,
260  AC_DEFINE_UNQUOTED(ALSA_MINOR,$alsa_minor,[Define to the minor version number of your Alsa installation.])          AC_CHECK_LIB(MidiShare, MidiCountEvs,
261  AC_DEFINE_UNQUOTED(ALSA_SUBMINOR,$alsa_subminor,[Define to the subminor version number of your Alsa installation.])                                  have_midishare=1,
262                                    have_midishare=0
263                        )
264                        ,
265                        have_midishare=0
266        )
267        if test "$have_midishare" = "1"; then
268            have_midi_input_driver="true"
269        fi
270    else
271        echo "MidiShare support disabled by configure script parameter"
272    fi
273    AM_CONDITIONAL(HAVE_MIDISHARE, test $have_midishare = "1")
274    AC_DEFINE_UNQUOTED(HAVE_MIDISHARE,$have_midishare,[Define to 1 if you have MidiShare installed.])
275    
276    # CoreMIDI (OS X)
277    AC_ARG_ENABLE(coremidi-driver,
278      [  --disable-coremidi-driver
279                              Disable support for the Apple CoreMIDI system.],
280      [config_coremidi_driver="no"],
281      [config_coremidi_driver="yes"]
282    )
283    have_coremidi=0
284    if test "$config_coremidi_driver" = "yes"; then
285        AC_CHECK_HEADER(CoreMIDI/CoreMIDI.h,
286            have_coremidi=1,
287            have_coremidi=0
288        )
289        if test "$have_coremidi" = "1"; then
290            have_midi_input_driver="true"
291        fi
292    else
293        echo "CoreMIDI support disabled by configure script parameter"
294    fi
295    AM_CONDITIONAL(HAVE_COREMIDI, test $have_coremidi = "1")
296    AC_DEFINE_UNQUOTED(HAVE_COREMIDI,$have_coremidi,[Define to 1 if you have CoreMIDI installed.])
297    
298  # JACK  # Check presence of libgig
299  PKG_CHECK_MODULES(JACK, jack, HAVE_JACK=true, HAVE_JACK=false)  libgig_version="3.1.1"
300  AC_SUBST(JACK_LIBS)  PKG_CHECK_MODULES(GIG, gig >= $libgig_version, HAVE_GIG=true, HAVE_GIG=false)
301  AC_SUBST(JACK_CFLAGS)  if test "$HAVE_GIG" = "false"; then
302  if test $HAVE_JACK = false; then      echo "Required libgig version not found!"
303      HAVE_JACK=0;      echo "You need to have libgig version ${libgig_version} installed!"
304        exit -1;
305  else  else
306      HAVE_JACK=1      echo "yes, found libgig $libgig_version"
     have_audio_output_driver="true";  
307  fi  fi
308  AM_CONDITIONAL(HAVE_JACK, test $HAVE_JACK = 1)  AC_SUBST(GIG_CFLAGS)
309  AC_DEFINE_UNQUOTED(HAVE_JACK,$HAVE_JACK,[Define to 1 if you have JACK installed.])  AC_SUBST(GIG_LIBS)
310    
311    # Check presence of sqlite3
312    AC_CHECK_PROG(HAVE_SQLITE3_CMD, sqlite3, true, false)
313    sqlite_version="3.3"
314    PKG_CHECK_MODULES(SQLITE3, sqlite3 >= $sqlite_version, HAVE_SQLITE3=true, HAVE_SQLITE3=false)
315    AC_SUBST(SQLITE3_LIBS)
316    AC_SUBST(SQLITE3_CFLAGS)
317    if test $HAVE_SQLITE3_CMD = false -o $HAVE_SQLITE3 = false; then
318        HAVE_SQLITE3=0;
319        instruments_db_support="no"
320        echo "*** Required sqlite version not found!"
321        echo "*** You need to have sqlite version ${sqlite_version} or higher"
322        echo "*** for instruments database support to be enabled."
323        echo "*** Support for instruments DB will be disabled!"
324    else
325        HAVE_SQLITE3=1
326        instruments_db_support="yes"
327    fi
328    AM_CONDITIONAL(HAVE_SQLITE3, test $HAVE_SQLITE3 = 1)
329    AC_DEFINE_UNQUOTED(HAVE_SQLITE3,$HAVE_SQLITE3,[Define to 1 if you have SQLITE3 installed.])
330    
331  if test "$have_midi_input_driver" = "false"; then  if test "$have_midi_input_driver" = "false"; then
332      echo "No supported MIDI input system found!"      echo "No supported MIDI input system found!"
333      echo "Sorry, LinuxSampler only supports ALSA as MIDI input driver at the moment!"      echo "Sorry, LinuxSampler only supports the following MIDI drivers at the moment:"
334        echo "ALSA, MIDIShare, CoreMIDI."
335        echo "If you think you have one of those available on your system, make sure you"
336        echo "also have the respective development (header) files installed."
337      exit -1;      exit -1;
338  fi  fi
339  if test "$have_audio_output_driver" = "false"; then  if test "$have_audio_output_driver" = "false"; then
# Line 155  if test "$have_audio_output_driver" = "f Line 343  if test "$have_audio_output_driver" = "f
343  fi  fi
344    
345    
346    ###########################################################################
347    # Handle Configuration Options
348    
349    # TODO: should we use AC_ARG_VAR(variable, description) instead?
350    
351    AC_ARG_ENABLE(asm,
352      [  --enable-asm
353                              Enable hand-crafted assembly optimizations
354                              (default=off). LinuxSampler provides CPU specific
355                              assembly optimizations for the most important
356                              synthesis algorithms. This is currently disabled
357                              by default since current asm code is broken.],
358      [config_asm="yes"],
359      [config_asm="no"]
360    )
361    if test "$config_asm" = "yes"; then
362      AC_DEFINE_UNQUOTED(CONFIG_ASM, 1, [Define to 1 if you want to enable hand-crafted asm optimizations.])
363    fi
364    
365    AC_ARG_ENABLE(dev-mode,
366      [  --disable-dev-mode
367                              Disable development mode (default=on). In that mode
368                              we do some extra sanity checks here and there.
369                              This helps to spot possible problems, but reduces
370                              efficiency a bit],
371      [config_dev_mode="no"],
372      [config_dev_mode="yes"]
373    )
374    if test "$config_dev_mode" = "yes"; then
375      AC_DEFINE_UNQUOTED(CONFIG_DEVMODE, 1, [Define to 1 if you want to enable development mode.])
376    fi
377    
378    AC_ARG_ENABLE(debug-level,
379      [  --enable-debug-level
380                              Specify verbosity of console messages (default=1).
381                              The higher the value, the higher will be verbosity.
382                              A value of 0 means no console output at all.
383                              There's not really an upper limit but the usual
384                              level of all messages is currently somewhere less
385                              than 10.],
386      [config_debug_level="${enableval}"],
387      [config_debug_level="1"]
388    )
389    AC_DEFINE_UNQUOTED(CONFIG_DEBUG_LEVEL, $config_debug_level, [Define console verbosity.])
390    
391    AC_ARG_ENABLE(rt-exceptions,
392      [  --enable-rt-exceptions
393                              Enable exceptions in the realtime thread
394                              (default=no). If this is enabled, exceptions will
395                              be thrown on critical errors in the realtime
396                              context as well. Otherwise if disabled
397                              segmentation faults will be forced by the
398                              application on critical errors.],
399      [config_rt_exceptions="yes"],
400      [config_rt_exceptions="no"]
401    )
402    if test "$config_rt_exceptions" = "yes"; then
403      AC_DEFINE_UNQUOTED(CONFIG_RT_EXCEPTIONS, 1, [Define to 1 to allow exceptions in the realtime context.])
404    fi
405    
406    AC_ARG_ENABLE(preload-samples,
407      [  --enable-preload-samples
408                              Due to seeking and latency issues with hard drives
409                              we have to cache a small part of samples' head in
410                              RAM (default=32768). The higher this value the
411                              more memory will be occupied for each sample, but
412                              the safer this will be in regards of possible
413                              droputs. A 'good' value depends on the running
414                              system and usage dependant factors.],
415      [config_preload_samples="${enableval}"],
416      [config_preload_samples="32768"]
417    )
418    AC_DEFINE_UNQUOTED(CONFIG_PRELOAD_SAMPLES, $config_preload_samples, [Define amount of sample points to be cached in RAM.])
419    
420    AC_ARG_ENABLE(max-pitch,
421      [  --enable-max-pitch
422                              Specify the maximum allowed pitch value in octaves
423                              (default=4). To lower memory usage you might want
424                              set a smaller value.],
425      [config_max_pitch="${enableval}"],
426      [config_max_pitch="4"]
427    )
428    AC_DEFINE_UNQUOTED(CONFIG_MAX_PITCH, $config_max_pitch, [Define max. allowed pitch.])
429    
430    AC_ARG_ENABLE(max-events,
431      [  --enable-max-events
432                              Specify the maximum allowed amount of events to be
433                              processed per fragment (default=1024).],
434      [config_max_events="${enableval}"],
435      [config_max_events="1024"]
436    )
437    AC_DEFINE_UNQUOTED(CONFIG_MAX_EVENTS_PER_FRAGMENT, $config_max_events, [Define max. allowed events per fragment.])
438    
439    AC_ARG_ENABLE(eg-bottom,
440      [  --enable-eg-bottom
441                              Bottom limit of envelope generators
442                              (default=0.001). Certain kinds of curve types like
443                              exponential curves converge against 0 but never
444                              reach 0. So we have to define a certain low value
445                              after which we should consider all smaller values
446                              to be 'almost zero'. The smaller this value, the
447                              longer will voices survive in EG's release stage
448                              and thus waste voices. If this value is too high
449                              will cause click sounds though.],
450      [config_eg_bottom="${enableval}"],
451      [config_eg_bottom="0.001"]
452    )
453    AC_DEFINE_UNQUOTED(CONFIG_EG_BOTTOM, $config_eg_bottom, [Define bottom limit of envelopes.])
454    
455    AC_ARG_ENABLE(eg-min-release-time,
456      [  --enable-eg-min-release-time
457                              Specify the lowest allowed release time in seconds
458                              (default=0.0025). This value will also be used to
459                              ramp down voices on voice stealing. This value
460                              should always be less than the period time of the
461                              used audio driver, as in case of voice stealing
462                              the killed voice needs to be completely ramped
463                              down in the same fragment.],
464      [config_eg_min_release_time="${enableval}"],
465      [config_eg_min_release_time="0.0025"]
466    )
467    AC_DEFINE_UNQUOTED(CONFIG_EG_MIN_RELEASE_TIME, $config_eg_min_release_time, [Define min. release time.])
468    
469    AC_ARG_ENABLE(refill-streams,
470      [  --enable-refill-streams
471                              Number of streams that should be refilled in each
472                              disk thread cycle (default=4).],
473      [config_refill_streams="${enableval}"],
474      [config_refill_streams="4"]
475    )
476    AC_DEFINE_UNQUOTED(CONFIG_REFILL_STREAMS_PER_RUN, $config_refill_streams, [Define amount of streams to be refilled per cycle.])
477    
478    AC_ARG_ENABLE(stream-min-refill,
479      [  --enable-stream-min-refill
480                              Minimum refill size for disk streams (default=1024).
481                              The disk thread will go to sleep for a while if no
482                              stream had to be refilled more than this value in
483                              a disk thread cycle.],
484      [config_stream_min_refill="${enableval}"],
485      [config_stream_min_refill="1024"]
486    )
487    AC_DEFINE_UNQUOTED(CONFIG_STREAM_MIN_REFILL_SIZE, $config_stream_min_refill, [Define min. stream refill size.])
488    
489    AC_ARG_ENABLE(stream-max-refill,
490      [  --enable-stream-max-refill
491                              Maximum refill size for disk streams
492                              (default=65536). The disk thread will refill
493                              each stream only by a size of this value per
494                              disk thread cycle.],
495      [config_stream_max_refill="${enableval}"],
496      [config_stream_max_refill="65536"]
497    )
498    AC_DEFINE_UNQUOTED(CONFIG_STREAM_MAX_REFILL_SIZE, $config_stream_max_refill, [Define max. stream refill size.])
499    
500    AC_ARG_ENABLE(stream-size,
501      [  --enable-stream-size
502                              Size of each stream's ring buffer in sample points
503                              (default=262144).],
504      [config_stream_size="${enableval}"],
505      [config_stream_size="262144"]
506    )
507    AC_DEFINE_UNQUOTED(CONFIG_STREAM_BUFFER_SIZE, $config_stream_size, [Define each stream's ring buffer size.])
508    
509    AC_ARG_ENABLE(max-streams,
510      [  --enable-max-streams
511                              Maximum amount of disk streams (default=90). This
512                              value should always be higher than the maximum
513                              amount of voices.],
514      [config_max_streams="${enableval}"],
515      [config_max_streams="90"]
516    )
517    AC_DEFINE_UNQUOTED(CONFIG_MAX_STREAMS, $config_max_streams, [Define max. streams.])
518    
519    AC_ARG_ENABLE(max-voices,
520      [  --enable-max-voices
521                              Maximum amount of voices (default=64). This value
522                              should always be lower than the maximum amount of
523                              disk streams.],
524      [config_max_voices="${enableval}"],
525      [config_max_voices="64"]
526    )
527    AC_DEFINE_UNQUOTED(CONFIG_MAX_VOICES, $config_max_voices, [Define max. voices.])
528    
529    AC_ARG_ENABLE(subfragment-size,
530      [  --enable-subfragment-size
531                              Every audio fragment will be splitted into
532                              subfragments. Where each subfragment renders
533                              audio with constant synthesis parameters. This is
534                              done for efficiency reasons. This parameter
535                              defines the default size of a subfragment in
536                              sample points. A large value means less CPU time
537                              whereas a low value means better audio quality
538                              (default=32).],
539      [config_subfragment_size="${enableval}"],
540      [config_subfragment_size="32"]
541    )
542    AC_DEFINE_UNQUOTED(CONFIG_DEFAULT_SUBFRAGMENT_SIZE, $config_subfragment_size, [Define default subfragment size (in sample points).])
543    
544    AC_ARG_ENABLE(global-attenuation-default,
545      [  --enable-global-attenuation-default
546                              To prevent clipping all samples will be lowered
547                              in amplitude by this given default factor (can
548                              be overridden at runtime).
549                              (default=0.35)],
550      [config_global_attenuation_default="${enableval}"],
551      [config_global_attenuation_default="0.35"]
552    )
553    AC_DEFINE_UNQUOTED(CONFIG_GLOBAL_ATTENUATION_DEFAULT, $config_global_attenuation_default, [Define default global volume attenuation (as floating point factor).])
554    
555    AC_ARG_ENABLE(voice-steal-algo,
556      [  --enable-voice-steal-algo
557                              Voice stealing algorithm to be used. Currently
558                              available options:
559                                none:
560                                  Disable voice stealing completely.
561                                oldestvoiceonkey (default):
562                                  Try to kill a voice on the same key first,
563                                  if no success, proceed with the oldest key.
564                                oldestkey:
565                                  Try to kill a voice from the oldest active
566                                  key.],
567      [ if test ! "(" "${enableval}" = "none" \
568                  -o "${enableval}" = "oldestvoiceonkey" \
569                  -o "${enableval}" = "oldestkey" ")" ; then
570          AC_MSG_ERROR([Unknown voice stealing algorithm for parameter --enable-voice-steal-algo])
571        else
572          config_voice_steal_algo="${enableval}"
573        fi
574      ],
575      [config_voice_steal_algo="oldestvoiceonkey"]
576    )
577    AC_DEFINE_UNQUOTED(CONFIG_VOICE_STEAL_ALGO, voice_steal_algo_${config_voice_steal_algo}, [Define voice stealing algorithm to be used.])
578    
579    AC_ARG_ENABLE(sysex-buffer-size,
580      [  --enable-sysex-buffer-size
581                              System Exclusive Message buffer size in kB
582                              (default=2048).],
583      [config_sysex_buffer_size="${enableval}"],
584      [config_sysex_buffer_size="2048"]
585    )
586    AC_DEFINE_UNQUOTED(CONFIG_SYSEX_BUFFER_SIZE, $config_sysex_buffer_size, [Define SysEx buffer size.])
587    
588    AC_ARG_ENABLE(force-filter,
589      [  --enable-force-filter
590                              If enabled will force filter to be used even if
591                              no usage was define in instrument patch files.
592                              (default=no).],
593      [config_force_filter="yes"],
594      [config_force_filter="no"]
595    )
596    if test "$config_force_filter" = "yes"; then
597      AC_DEFINE_UNQUOTED(CONFIG_FORCE_FILTER, 1, [Define to 1 to force filter usage.])
598    fi
599    
600    AC_ARG_ENABLE(filter-cutoff-min,
601      [  --enable-filter-cutoff-min
602                              Minimum filter cutoff frequency in Hz
603                              (default=100.0).],
604      [config_filter_cutoff_min="${enableval}"],
605      [config_filter_cutoff_min="100.0"]
606    )
607    AC_DEFINE_UNQUOTED(CONFIG_FILTER_CUTOFF_MIN, ${config_filter_cutoff_min}f, [Define min. filter cutoff frequency.])
608    
609    AC_ARG_ENABLE(filter-cutoff-max,
610      [  --enable-filter-cutoff-max
611                              Maximum filter cutoff frequency in Hz
612                              (default=10000.0).],
613      [config_filter_cutoff_max="${enableval}"],
614      [config_filter_cutoff_max="10000.0"]
615    )
616    AC_DEFINE_UNQUOTED(CONFIG_FILTER_CUTOFF_MAX, ${config_filter_cutoff_max}f, [Define max. filter cutoff frequency.])
617    
618    AC_ARG_ENABLE(override-cutoff-ctrl,
619      [  --enable-override-cutoff-ctrl
620                              Override filter cutoff MIDI controller (default=no).
621                              Note: you have to define the MIDI controller number
622                              here, it's not a boolean parameter type! If this
623                              option is used, controller number given by
624                              instrument patch will be ignored and instead this
625                              supplied value will be used.],
626      [config_override_cutoff_ctrl="${enableval}"],
627      [config_override_cutoff_ctrl="no"]
628    )
629    if test ! "$config_override_cutoff_ctrl" = "no"; then
630      AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_CUTOFF_CTRL, $config_override_cutoff_ctrl, [Define to a MIDI controller number to override cutoff control.])
631    fi
632    
633    AC_ARG_ENABLE(override-resonance-ctrl,
634      [  --enable-override-resonance-ctrl
635                              Override filter resonance MIDI controller
636                              (default=no). Note: you have to define the MIDI
637                              controller number here, it's not a boolean
638                              parameter type! If this option is used, controller
639                              number given by instrument patch will be ignored
640                              and instead this supplied value will be used.],
641      [config_override_resonance_ctrl="${enableval}"],
642      [config_override_resonance_ctrl="no"]
643    )
644    if test ! "$config_override_resonance_ctrl" = "no"; then
645      AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_RESONANCE_CTRL, $config_override_resonance_ctrl, [Define to a MIDI controller number to override resonance control.])
646    fi
647    
648    AC_ARG_ENABLE(override-filter-type,
649      [  --enable-override-filter-type
650                              Override filter type (default=no). Options:
651                              hp: for highpass
652                              bp: for bandpass
653                              br: for bandreject
654                              lp: for lowpass
655                              lpt: for lowpass turbo],
656      [ if   test "${enableval}" = "hp" ; then
657           config_override_filter_type="::gig::vcf_type_highpass"
658        elif test "${enableval}" = "bp" ; then
659           config_override_filter_type="::gig::vcf_type_bandpass"
660        elif test "${enableval}" = "br" ; then
661           config_override_filter_type="::gig::vcf_type_bandreject"
662        elif test "${enableval}" = "lp" ; then
663           config_override_filter_type="::gig::vcf_type_lowpass"
664        elif test "${enableval}" = "lpt" ; then
665           config_override_filter_type="::gig::vcf_type_lowpassturbo"
666        elif test ! "${enableval}" = "no"; then
667           AC_MSG_ERROR([Unknown filter type for parameter --enable-override-filter-type])
668        fi
669      ],
670      [config_override_filter_type="no"]
671    )
672    if test ! "$config_override_filter_type" = "no"; then
673      AC_DEFINE_UNQUOTED(CONFIG_OVERRIDE_FILTER_TYPE, $config_override_filter_type, [Define to a filter type to always force that filter type.])
674    fi
675    
676    AC_ARG_ENABLE(gs-checksum,
677      [  --enable-gs-checksum
678                              Enable Roland General Synth SysEx checksum check
679                              (default=no). If this is enabled, all GS SysEx
680                              messages which do not provide a correct checksum
681                              will be ignored. This is disabled by default as
682                              not all devices honor GS checksums.],
683      [config_assert_gs_sysex_checksum="yes"],
684      [config_assert_gs_sysex_checksum="no"]
685    )
686    if test "config_assert_gs_sysex_checksum" = "yes"; then
687      AC_DEFINE_UNQUOTED(CONFIG_ASSERT_GS_SYSEX_CHECKSUM, 1, [Define to 1 if you want to enable GS SysEx check.])
688    fi
689    
690    AC_ARG_ENABLE(portamento-time-min,
691      [  --enable-portamento-time-min
692                              Minimum Portamento time in seconds
693                              (default=0.1).],
694      [config_portamento_time_min="${enableval}"],
695      [config_portamento_time_min="0.1"]
696    )
697    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MIN, $config_portamento_time_min, [Define min. portamento time.])
698    
699    AC_ARG_ENABLE(portamento-time-max,
700      [  --enable-portamento-time-max
701                              Maximum Portamento time in seconds
702                              (default=32).],
703      [config_portamento_time_max="${enableval}"],
704      [config_portamento_time_max="32"]
705    )
706    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_MAX, $config_portamento_time_max, [Define max. portamento time.])
707    
708    AC_ARG_ENABLE(portamento-time-default,
709      [  --enable-portamento-time-default
710                              Default Portamento time in seconds
711                              (default=1).],
712      [config_portamento_time_default="${enableval}"],
713      [config_portamento_time_default="1"]
714    )
715    AC_DEFINE_UNQUOTED(CONFIG_PORTAMENTO_TIME_DEFAULT, $config_portamento_time_default, [Define default portamento time.])
716    
717    AC_ARG_ENABLE(signed-triang-algo,
718      [  --enable-signed-triang-algo
719                              Signed triangular wave algorithm to be used (e.g. for LFOs).
720                              Currently available options:
721                                intmath:
722                                  Uses integer math without any branch will then be
723                                  converted to floating point value for each sample point.
724                                  This int->float conversion might hurt on some systems.
725                                intmathabs:
726                                  Similar to intmath but uses abs() function.
727                                  Depending on compiler and platrofm this could
728                                  perform better than integer math as it avoids
729                                  an extra integer multiply instruction.
730    
731                                diharmonic:
732                                  The triangular wave will be approximated by adding two
733                                  sinusoidials. This solution might especially hurt on
734                                  systems with weak floating point unit.
735                                benchmark (default):
736                                  This is not an algorithm. Use this option if the
737                                  appropriate algorithm should be automatically
738                                  chosen by the configure script by performing a
739                                  benchmark between the algorithms mentioned above.
740                                  This will NOT work for cross compilation!],
741      [ if test ! "(" "${enableval}" = "intmath" \
742                  -o "${enableval}" = "intmathabs" \
743                  -o "${enableval}" = "diharmonic" ")" ; then
744          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-signed-triang-algo])
745        else
746          config_signed_triang_algo="${enableval}"
747        fi
748      ],
749      [config_signed_triang_algo="benchmark"]
750    )
751    
752    AC_ARG_ENABLE(unsigned-triang-algo,
753      [  --enable-unsigned-triang-algo
754                              Unsigned triangular wave algorithm to be used (e.g. for LFOs).
755                              Currently available options:
756                                intmath:
757                                  Uses integer math without any branch will then be
758                                  converted to floating point value for each sample point.
759                                  This int->float conversion might hurt on some systems.
760                                intmathabs:
761                                  Similar to intmath but uses abs() function.
762                                  Depending on compiler and platrofm this could
763                                  perform better than integer math as it avoids
764                                  an extra integer multiply instruction.
765    
766                                diharmonic:
767                                  The triangular wave will be approximated by adding two
768                                  sinusoidials. This solution might especially hurt on
769                                  systems with weak floating point unit.
770                                benchmark (default):
771                                  This is not an algorithm. Use this option if the
772                                  appropriate algorithm should be automatically
773                                  chosen by the configure script by performing a
774                                  benchmark between the algorithms mentioned above.
775                                  This will NOT work for cross compilation!],
776      [ if test ! "(" "${enableval}" = "intmath" \
777                  -o "${enableval}" = "intmathabs" \
778                  -o "${enableval}" = "diharmonic" ")" ; then
779          AC_MSG_ERROR([Unknown triangular wave algorithm for parameter --enable-unsigned-triang-algo])
780        else
781          config_unsigned_triang_algo="${enableval}"
782        fi
783      ],
784      [config_unsigned_triang_algo="benchmark"]
785    )
786    
787    AC_ARG_ENABLE(process-muted-channels,
788      [  --enable-process-muted-channels
789                              Enable processing of muted channels (default=no).
790                              In that mode all MIDI events in the muted channels
791                              will be processed. This will provide information
792                              about the active voices in the muted channels and
793                              will not discard notes, triggered in mute mode,
794                              when the channel is unmuted. But also will reduce
795                              the efficiency.],
796      [config_process_muted_channels="yes"],
797      [config_process_muted_channels="no"]
798    )
799    if test "$config_process_muted_channels" = "yes"; then
800      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_MUTED_CHANNELS, 1, [Define to 1 if you want to enable processing of muted channels.])
801    fi
802    
803    AC_ARG_ENABLE(process-all-notes-off,
804      [  --disable-process-all-notes-off
805                              Disable interpretation of All-Notes-Off MIDI
806                              messages (default=on). By default LS will release
807                              all voices whenever it receives an All-Notes-Off
808                              MIDI message. You can disable this behavior, so
809                              that LS simply ignores such messages.],
810      [config_process_all_notes_off="no"],
811      [config_process_all_notes_off="yes"]
812    )
813    if test "$config_process_all_notes_off" = "yes"; then
814      AC_DEFINE_UNQUOTED(CONFIG_PROCESS_ALL_NOTES_OFF, 1, [Define to 1 if you want to enable processing of All-Notes-Off MIDI messages.])
815    fi
816    
817    AC_ARG_ENABLE(interpolate-volume,
818      [  --disable-interpolate-volume
819                              Disable interpolation of volume modulation
820                              (default=on). With this enabled, the volume changes
821                              generated by for example the envelope generator
822                              will be smoother, minimizing the risk for audio
823                              clicks. Disable it to reduce CPU usage.],
824      [config_interpolate_volume="no"],
825      [config_interpolate_volume="yes"]
826    )
827    if test "$config_interpolate_volume" = "yes"; then
828      AC_DEFINE_UNQUOTED(CONFIG_INTERPOLATE_VOLUME, 1, [Define to 1 if you want to enable interpolation of volume modulation.])
829    fi
830    
831    
832    ###########################################################################
833    # Automatic Benchmarks (to detect the best algorithms for the system)
834    
835    AC_LANG_SAVE
836    
837    if test "$config_signed_triang_algo" = "benchmark"; then
838        echo -n "benchmarking for the best (signed) triangular oscillator algorithm... "
839        AC_LANG_CPLUSPLUS
840        AC_TRY_RUN([
841                #define SIGNED 1
842                #define SILENT 1
843                #include "${srcdir}/benchmarks/triang.cpp"
844            ],
845            triang_signed=0,
846            triang_signed=$?,
847            triang_signed=0
848        )
849        if test "$triang_signed" = "2"; then
850            config_signed_triang_algo="intmath"
851            echo "integer math"
852        elif test "$triang_signed" = "3"; then
853            config_signed_triang_algo="diharmonic"
854            echo "di harmonics"
855        elif test "$triang_signed" = "5"; then
856            config_signed_triang_algo="intmathabs"
857            echo "integer math using abs()"
858        else
859            echo "Benchmark of signed triangular wave algorithms failed!"
860            echo "Maybe you are doing cross compilation? In that case you have to select"
861            echo "an algorithm manually with './configure --enable-signed-triang-algo=...'"
862            echo "Call './configure --help' for further information or read configure.in."
863            exit -1;
864        fi
865    else
866        case "$config_signed_triang_algo" in
867            intmath)
868                triang_signed=2 ;;
869            diharmonic)
870                triang_signed=3 ;;
871            intmathabs)
872                triang_signed=5 ;;
873        esac
874    fi
875    AC_DEFINE_UNQUOTED(CONFIG_SIGNED_TRIANG_ALGO, ${triang_signed}, [Define signed triangular wave algorithm to be used.])
876    
877    if test "$config_unsigned_triang_algo" = "benchmark"; then
878        echo -n "benchmarking for the best (unsigned) triangular oscillator algorithm... "
879        AC_LANG_CPLUSPLUS
880        AC_TRY_RUN([
881                #define SIGNED 0
882                #define SILENT 1
883                #include "${srcdir}/benchmarks/triang.cpp"
884            ],
885            triang_unsigned=0,
886            triang_unsigned=$?,
887            triang_unsigned=0
888        )
889        if test "$triang_unsigned" = "2"; then
890            config_unsigned_triang_algo="intmath"
891            echo "integer math"
892        elif test "$triang_unsigned" = "3"; then
893            config_unsigned_triang_algo="diharmonic"
894            echo "di harmonics"
895        elif test "$triang_unsigned" = "5"; then
896            config_unsigned_triang_algo="intmathabs"
897            echo "integer math using abs()"
898        else
899            echo "Benchmark of unsigned triangular wave algorithms failed!"
900            echo "Maybe you are doing cross compilation? In that case you have to select"
901            echo "an algorithm manually with './configure --enable-unsigned-triang-algo=...'"
902            echo "Call './configure --help' for further information or read configure.in."
903            exit -1;
904        fi
905    else
906        case "$config_unsigned_triang_algo" in
907            intmath)
908                triang_unsigned=2 ;;
909            diharmonic)
910                triang_unsigned=3 ;;
911            intmathabs)
912                triang_unsigned=5 ;;
913        esac
914    fi
915    AC_DEFINE_UNQUOTED(CONFIG_UNSIGNED_TRIANG_ALGO, ${triang_unsigned}, [Define unsigned triangular wave algorithm to be used.])
916    
917    AC_LANG_RESTORE
918    
919    
920    ###########################################################################
921    # Create Build Files
922    
923  AM_CONFIG_HEADER(config.h)  AM_CONFIG_HEADER(config.h)
924  AM_INIT_AUTOMAKE(linuxsampler, 0.2)  AM_INIT_AUTOMAKE(linuxsampler, "$LINUXSAMPLER_RELEASE_MAJOR.$LINUXSAMPLER_RELEASE_MINOR.$LINUXSAMPLER_RELEASE_BUILD")
925    
926  AC_LANG_CPLUSPLUS  AC_LANG_CPLUSPLUS
927  AC_PROG_CXX  AC_PROG_CXX
 AM_PROG_LIBTOOL  
928    
929  AC_OUTPUT(Makefile src/Makefile src/network/Makefile src/engines/Makefile src/engines/gig/Makefile src/engines/common/Makefile src/common/Makefile src/lib/Makefile src/lib/fileloader/Makefile src/lib/fileloader/libgig/Makefile src/testcases/Makefile src/drivers/Makefile src/drivers/audio/Makefile src/drivers/midi/Makefile)  # some gcc 4.0 versions need -msse for SSE register allocations
930    if test "$config_asm" = "yes"; then
931      if test "$def_arch_x86" = 1; then
932        CXXFLAGS="$CXXFLAGS -msse"
933      fi
934    fi
935    
936    # autoconf 2.59/libtool 1.5.12 bug? work-around. Without a check like
937    # this, the dlfcn.h check in am_prog_libtool may fail.
938    AC_CHECK_HEADER(stdlib.h)
939    
940    AC_OUTPUT( \
941        Makefile \
942        man/Makefile \
943        man/linuxsampler.1 \
944        src/Makefile \
945        src/db/Makefile \
946        src/network/Makefile \
947        src/engines/Makefile \
948        src/engines/gig/Makefile \
949        src/engines/common/Makefile \
950        src/common/Makefile src/lib/Makefile \
951        src/lib/fileloader/Makefile \
952        src/lib/fileloader/libgig/Makefile \
953        src/testcases/Makefile \
954        src/drivers/Makefile \
955        src/drivers/audio/Makefile \
956        src/drivers/midi/Makefile \
957        linuxsampler.spec \
958        debian/Makefile \
959        Artwork/Makefile \
960        scripts/Makefile \
961        osx/Makefile \
962        osx/linuxsampler.xcodeproj/Makefile \
963        Documentation/Makefile \
964        Documentation/Engines/Makefile \
965        Documentation/Engines/gig/Makefile \
966        linuxsampler.pc \
967        Doxyfile \
968    )
969    
970    
971    ###########################################################################
972    # Output All Configuration Options
973    
974    echo ""
975    echo "#####################################################################"
976    echo "# LinuxSampler Configuration                                        #"
977    echo "#-------------------------------------------------------------------#"
978    echo "# Assembly Optimizations: ${config_asm}"
979    echo "# Development Mode: ${config_dev_mode}"
980    echo "# Debug Level: ${config_debug_level}"
981    echo "# Use Exceptions in RT Context: ${config_rt_exceptions}"
982    echo "# Preload Samples: ${config_preload_samples}"
983    echo "# Maximum Pitch: ${config_max_pitch} (octaves)"
984    echo "# Maximum Events: ${config_max_events}"
985    echo "# Envelope Bottom Level: ${config_eg_bottom} (linear)"
986    echo "# Envelope Minimum Release Time: ${config_eg_min_release_time} s"
987    echo "# Streams to be refilled per Disk Thread Cycle: ${config_refill_streams}"
988    echo "# Minimum Stream Refill Size: ${config_stream_min_refill}"
989    echo "# Maximum Stream Refill Size: ${config_stream_max_refill}"
990    echo "# Stream Size: ${config_stream_size}"
991    echo "# Maximum Disk Streams: ${config_max_streams}"
992    echo "# Maximum Voices: ${config_max_voices}"
993    echo "# Default Subfragment Size: ${config_subfragment_size}"
994    echo "# Default Global Volume Attenuation: ${config_global_attenuation_default}"
995    echo "# Voice Stealing Algorithm: ${config_voice_steal_algo}"
996    echo "# Signed Triangular Oscillator Algorithm: ${config_signed_triang_algo}"
997    echo "# Unsigned Triangular Oscillator Algorithm: ${config_unsigned_triang_algo}"
998    echo "# SysEx Buffer Size: ${config_sysex_buffer_size} Byte"
999    echo "# Min. Portamento Time: ${config_portamento_time_min} s"
1000    echo "# Max. Portamento Time: ${config_portamento_time_max} s"
1001    echo "# Default Portamento Time: ${config_portamento_time_default} s"
1002    echo "# Force Filter Usage: ${config_force_filter}"
1003    echo "# Filter Cutoff Minimum: ${config_filter_cutoff_min} Hz"
1004    echo "# Filter Cutoff Maximum: ${config_filter_cutoff_max} Hz"
1005    echo "# Override Filter Cutoff Controller: ${config_override_cutoff_ctrl}"
1006    echo "# Override Filter Resonance Controller: ${config_override_resonance_ctrl}"
1007    echo "# Override Filter Type: ${config_override_filter_type}"
1008    echo "# Assert GS SysEx Checksum: ${config_assert_gs_sysex_checksum}"
1009    echo "# Process Muted Channels: ${config_process_muted_channels}"
1010    echo "# Process All-Notes-Off MIDI message: ${config_process_all_notes_off}"
1011    echo "# Interpolate Volume: ${config_interpolate_volume}"
1012    echo "# Instruments database support: ${instruments_db_support}"
1013    echo "#-------------------------------------------------------------------#"
1014    echo "# Read './configure --help' or file 'configure.in' for details.     #"
1015    echo "#####################################################################"
1016    echo ""
1017    echo "Good. Now type 'make' to compile, followed by 'make install' as root."
1018    echo ""

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